package com.example.booklist.controller;

import com.example.booklist.model.*;
import com.example.booklist.service.BookService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpSession;
import java.util.List;


/**
 * ClassName: BookController
 * Package: IntelliJ IDEA
 * Description:
 *
 * @Author 谷京京
 * @Create 2023/10/30 17:27
 * @Version 1.0
 */
@RequestMapping("/book")
@RestController
@Slf4j
public class BookController {
    @Autowired
    private BookService service;


    @RequestMapping("/getBookListByPage")
    public Result getBookListByPage(PageRequest pageRequest, HttpSession session) {
        log.info("查询翻页信息,pageRequest:{}", pageRequest);
//        UserInfo userInfo = (UserInfo) session.getAttribute(Constants.SESSION_USER_KEY);
//        if(userInfo == null || userInfo.getId() <= 0 || "".equals(userInfo.getUserName())) {
//            return Result.unlogin();
//        }
        if (pageRequest.getPageSize() < 0 || pageRequest.getCurrentPage() < 1) {
            return Result.fail("参数校验失败");
        }
        PageResult<BookInfo> pageResult = null;
        try {
            pageResult = service.selectBookInfoByPage(pageRequest);
            return Result.success(pageResult);
        } catch (Exception e) {
            log.error("查询翻页信息错误, e:{}", e.getMessage());
            return Result.fail(e.getMessage());
        }
    }
    @RequestMapping(value = "/addBook", produces = "application/json")
    public String addBook(BookInfo bookInfo) {
        log.info("添加图书请求已接受, bookInfo:{}", bookInfo);
        if (!StringUtils.hasLength(bookInfo.getBookName())
                || !StringUtils.hasLength(bookInfo.getAuthor())
                || bookInfo.getCount() < 0
                || bookInfo.getPrice() == null
                || !StringUtils.hasLength(bookInfo.getPublish())) {
            return "参数校验失败" + bookInfo;
        }
        Integer result = service.addBook(bookInfo);
        if(result <= 0) {
            log.error("添加图书出错, bookInfo:{}", bookInfo);
            return "添加图书失败, 请联系管理员";
        }
        return "";
    }
    @RequestMapping("/queryBookInfoById")
    public BookInfo queryBookInfoById(Integer bookId) {
        log.info("根据id查询图书, bookId: " + bookId);
        BookInfo bookInfo = null;
        try {
            bookInfo = service.queryBookInfoById(bookId);
        } catch (Exception e) {
            log.error("查询出错, e:{}", e.getMessage());
        }
        long end = System.currentTimeMillis();
        return bookInfo;
    }
    @RequestMapping(value = "/updateBook", produces = "application/json")
    public String updateBook(BookInfo bookInfo) {
        log.info("修改图书");

        Integer result = service.updateBook(bookInfo);
        if(result == 0) {
            log.error("更新图书失败, 请联系管理员");
            return "更新失败";
        }
        return "";
    }
    @RequestMapping(value = "/deleteBook", produces = "application/json")
    public String deleteBook(Integer bookId) {
        log.info("删除数据");
        BookInfo bookInfo = new BookInfo();
        bookInfo.setId(bookId);
        bookInfo.setStatus(0);
        Integer result = service.updateBook(bookInfo);
        if(result == 0) {
            log.error("删除图书失败, 请联系管理员");
            return "更新失败";
        }
        return "";
    }
    @RequestMapping(value = "/batchDelete", produces = "application/json")
    public String batchDelete(@RequestParam List<Integer> ids) {
        log.info("批量删除");
        Integer result = service.batchDelete(ids);
        if(result <= 0) {
            log.error("批量删除失败, 请联系管理员");
            return "批量删除失败, 请联系管理员";
        }
        return "";
    }
}
